{"html_url": "https://github.com/simonw/sqlite-utils/issues/416#issuecomment-1116684581", "issue_url": "https://api.github.com/repos/simonw/sqlite-utils/issues/416", "id": 1116684581, "node_id": "IC_kwDOCGYnMM5Cj0El", "user": {"value": 638427, "label": "mattkiefer"}, "created_at": "2022-05-03T21:36:49Z", "updated_at": "2022-05-03T21:36:49Z", "author_association": "NONE", "body": "Thanks for addressing this @simonw! However, I just reinstalled sqlite-utils 3.26.1 and get an `ParserError: Unknown string format: None`:\r\n```\r\nsqlite-utils --version\r\nsqlite-utils, version 3.26.1\r\n```\r\n```\r\nsqlite-utils convert idfpr.db license \"Original Issue Date\" \"r.parsedate(value)\"\r\nTraceback (most recent call last):\r\n  File \"/home/matt/.local/lib/python3.9/site-packages/sqlite_utils/db.py\", line 2514, in convert_value\r\n    return fn(v)\r\n  File \"<string>\", line 2, in fn\r\n  File \"/home/matt/.local/lib/python3.9/site-packages/sqlite_utils/recipes.py\", line 19, in parsedate\r\n    parser.parse(value, dayfirst=dayfirst, yearfirst=yearfirst)\r\n  File \"/usr/lib/python3/dist-packages/dateutil/parser/_parser.py\", line 1374, in parse\r\n    return DEFAULTPARSER.parse(timestr, **kwargs)\r\n  File \"/usr/lib/python3/dist-packages/dateutil/parser/_parser.py\", line 649, in parse\r\n    raise ParserError(\"Unknown string format: %s\", timestr)\r\ndateutil.parser._parser.ParserError: Unknown string format: None\r\nTraceback (most recent call last):\r\n  File \"/home/matt/.local/bin/sqlite-utils\", line 8, in <module>\r\n    sys.exit(cli())\r\n  File \"/usr/lib/python3/dist-packages/click/core.py\", line 829, in __call__\r\n    return self.main(*args, **kwargs)\r\n  File \"/usr/lib/python3/dist-packages/click/core.py\", line 782, in main\r\n    rv = self.invoke(ctx)\r\n  File \"/usr/lib/python3/dist-packages/click/core.py\", line 1259, in invoke\r\n    return _process_result(sub_ctx.command.invoke(sub_ctx))\r\n  File \"/usr/lib/python3/dist-packages/click/core.py\", line 1066, in invoke\r\n    return ctx.invoke(self.callback, **ctx.params)\r\n  File \"/usr/lib/python3/dist-packages/click/core.py\", line 610, in invoke\r\n    return callback(*args, **kwargs)\r\n  File \"/home/matt/.local/lib/python3.9/site-packages/sqlite_utils/cli.py\", line 2707, in convert\r\n    db[table].convert(\r\n  File \"/home/matt/.local/lib/python3.9/site-packages/sqlite_utils/db.py\", line 2530, in convert\r\n    self.db.execute(sql, where_args or [])\r\n  File \"/home/matt/.local/lib/python3.9/site-packages/sqlite_utils/db.py\", line 463, in execute\r\n    return self.conn.execute(sql, parameters)\r\nsqlite3.OperationalError: user-defined function raised exception\r\n```\r\nI definitely have some invalid data in the db. Happy to send a copy if it's helpful.", "reactions": "{\"total_count\": 0, \"+1\": 0, \"-1\": 0, \"laugh\": 0, \"hooray\": 0, \"confused\": 0, \"heart\": 0, \"rocket\": 0, \"eyes\": 0}", "issue": {"value": 1173023272, "label": "Options for how `r.parsedate()` should handle invalid dates"}, "performed_via_github_app": null}